664 Chestnut St, San Carlos, CA 94070 Property Records

San Mateo County property record for 664 Chestnut St, San Carlos, CA 94070

Property Summary

Property Type	Single Family Home
Details	3 bd · 4 ba · 3,243 sqft · built 1950
Lot Size	0.169 acres (7,350 sqft)
Owner	2 Individual Names on Record
Last Sale	$905,000 (Apr 2012)
Tax Bill	$17,273 (2025)
Deeds & Mortgages	Dec 2021 Line of Credit Aug 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`050-123-070`

Property Details

APN / Parcel Number

Primary APN	`050-123-070`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,243 sqft Living Area
Gross Area	4,074 sqft
1st Floor Area	1,455 sqft
2nd Floor Area	1,788 sqft
Basement Area	323 sqft
Family Room	Family Room

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Lot Area	7,350 sqft (0.169 acres)
Lot Dimensions	105 ft deep x 70 ft wide
Garage Type	Attached
Garage Area	508 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	664 CHESTNUT ST
City	SAN CARLOS
State	CA
Zip	94070-3014
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	NLY 70 FT OF LOTS 7 8 BLOCK 33 AMEND MAP TOWN OF SAN CARLOS
Legal Subdivision	TOWN OF SAN CARLOS
Legal Block	33
Legal Lot Number	7
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2006
Census Tract	609202

Owner

Source: San Mateo County records, as of July 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Dec 9, 2021	Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA
Aug 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Apr 2, 2018	Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA
Sep 23, 2020	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 19, 2012 · Amount on Record
Deed Sale	Apr 19, 2012 · Amount on Record
Deed Document Number	201254286
Prior Transfer Date	Dec 14, 1998
Prior Transfer Doc	0000211194
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014
Transaction Type	Mortgage
Record Updated	Dec 28, 2021
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014

Mortgage

Document Number	0000168355
Date	Dec 9, 2021
Instrument	2021-168355

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 21, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014
Transaction Type	Mortgage
Record Updated	Aug 25, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014

Mortgage

Document Number	0000114629
Date	Aug 4, 2021
Instrument	2021-114629

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2051

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000024770
Date	Apr 2, 2018
Instrument	2018-024770

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 20, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	664 CHESTNUT ST, SAN CARLOS, CA 94070-3014

Mortgage

Document Number	0000100169
Date	Sep 23, 2020
Instrument	2020-100169

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.12%
Type Change Date	Oct 1, 2030
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	2.25%
Index	1-Year LIBOR
Max Rate	8.12%

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Carlos City
Elementary School District	San Carlos Elementary School District (KG - 08)
Secondary School District	Sequoia Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,414,227 (+2%) Land $579,727 Building $834,500
2025	$17,273.00 (+4.89%) Homeowner's exemption	$1,386,498 (+4.04%) Land $568,360 Building $818,138
2023	$16,467.00 (+2.36%) Homeowner's exemption	$1,332,662 Land $546,291 Building $786,371	$1,761,390
2022	$16,088.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	4 (1986–2010)
Claims Outside the SFHA	2 of 4
Most Recent Claim	Jan 2010 · rainfall accumulation
Claims by Event	Severe Storms & Flooding, Feb 1986 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CALIFORNIA WATER SERVICE - SAN CARLOS private · serves 34,801 people · EPA ID CA4110007
Water Source	Purchased surface water from several systems
Last State Inspection	Sep 2024
Lead	6 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 738 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Sonic Telecom Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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